pedology
peh-DOL-oh-jee
The scientific study of soils — their formation, classification, distribution, and properties. Distinguished from agronomy (which studies soil in relation to crop production) by its focus on soil as a natural body worthy of study in its own right, not merely as a medium for growing things. Russia invented the discipline; the rest of the world followed.
Etymology
Greek pedon (ground, soil) + -logia (study of). The study of the ground.
Notes
Vasily Dokuchaev, the father of pedology, established in the 1870s that soil is not just weathered rock but a distinct natural body shaped by five factors: parent material, climate, organisms, topography, and time. These five factors still define the field.
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